{"product_id":"prescription-lampworking-glasses-model-p820-with-sodium-flare-polycarbonate-lens","title":"Prescription Lampworking Glasses  Model P820 with Sodium Flare Polycarbonate Lens","description":"\u003cp\u003eLampworking Glasses Model P820 provides all the great features of a High Quality Wrap Around Safety Frame (unifit nylon frame, wrap around design, rubber nose pads, Secure Fit nose Bridge) This lampworking glasses model P820 frame is for a Medium to larger frame size.\u003c\/p\u003e\u003cp\u003eThis polycarbonate is very efficient in filtering sodium flare in addition to providing good ultraviolet protection.  It is very comfortable for viewing under high ambient light conditions such as when working with glowing heat sources for a duration of time. Also, although it has a relatively low luminous transmission of 38%, it is not recommended for glassworking where Infrared protection is needed.  This filter is more for soft glass usage\u003c\/p\u003e\u003cp\u003eLampworking is a type of glasswork in which a torch or lamp is used to melt the glass. Once in a molten state, the glass is formed by blowing and shaping with tools and hand movements. It is also known as flameworking or torchworking, as the modern practice no longer uses oil-fueled lamps.\u003c\/p\u003e\u003cp\u003eFor more options, check out our full line of Sodium Flare Polycarbonate Lampworking Glasses\u003c\/p\u003e","brand":"VS Eyewear","offers":[{"title":"Silver \/ 63-20-137 B 38 Overall width 135mm","offer_id":72031691767946,"sku":null,"price":126.0,"currency_code":"USD","in_stock":true},{"title":"Black \/ 63-20-127 B 38 Overall width 135mm","offer_id":72031691800714,"sku":null,"price":126.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0776\/4246\/5418\/files\/P820-Silver-with-SFP-Lens_9fdca88d-e5a6-4dbc-beba-83cb6040b17b.png?v=1792091748","url":"https:\/\/vseyewear.com\/products\/prescription-lampworking-glasses-model-p820-with-sodium-flare-polycarbonate-lens","provider":"VS Eyewear","version":"1.0","type":"link"}